富二代破解版app官方入口

 2017年12月13日，總工(gong)(gong)辦(ban)委托青(qing)(qing)島市環(huan)境科學保(bao)護(hu)(hu)研(yan)(yan)究院完成11號線(xian)U梁敷板式(shi)(shi)吸(xi)聲(sheng)(sheng)降噪(zao)器(qi)應用效(xiao)果測(ce)試工(gong)(gong)作(zuo)。U梁敷板式(shi)(shi)吸(xi)聲(sheng)(sheng)降噪(zao)器(qi)為(wei)總工(gong)(gong)辦(ban)牽頭(tou)，聯合中科院聲(sheng)(sheng)學研(yan)(yan)究所、青(qing)(qing)島聲(sheng)(sheng)達(da)科技(ji)有限公(gong)司聯合研(yan)(yan)發(fa)的地(di)鐵高架線(xian)路新型(xing)降噪(zao)裝(zhuang)置，該裝(zhuang)置利用預埋槽道安裝(zhuang)于U梁腹板內側，與傳統聲(sheng)(sheng)屏障相比不僅景觀效(xiao)果好，還減少了對周邊(bian)建筑物采光的遮擋，且具(ju)有安裝(zhuang)簡單、維(wei)護(hu)(hu)更換(huan)方便、成本低(di)的特點(dian)。在(zai)研(yan)(yan)發(fa)伊始，總工(gong)(gong)辦(ban)即注重成果轉化工(gong)(gong)作(zuo)，同(tong)步編制(zhi)了施工(gong)(gong)及驗收標準，對施工(gong)(gong)單位組織(zhi)技(ji)術(shu)指導，推動該新技(ji)術(shu)在(zai)11號線(xian)全線(xian)應用。經測(ce)試，其降噪(zao)效(xiao)果可達(da)3分(fen)貝以上，滿(man)足了研(yan)(yan)發(fa)預期，具(ju)有良好的推廣價值和前景。